Ear
1
OrientationofLabyrinthsinSkull
Plate99
Superior projection of
right bony labyrinth
on floor of skull
Cochlea
Cochlear nerve
Facial nerve (VII)
Internal acoustic
opening
Vestibulocochlear nerve (VIII)
Vestibular nerve
Petrous part
of temporal bone
Groove for greater petrosal nerve
Geniculum (geniculate ganglion) of facial nerve
Lateral projection of right membranous labyrinth
Plane of anterior
semicircular canal
Lateral semicircular
canal
Plane of posterior
semicircular canal
Auricle (
retracted
anteriorly
)
Opening of
vestibular aqueduct
(for endolymphatic duct)
Geniculum (geniculate ganglion)
of facial nerve
Trigeminal nerve (V)
Cerebellum
Vestibulocochlear
nerve (VIII)
Anterior
semicircular duct
Cochlear duct
Cochlear nerve
Superior part of
vestibular nerve
Inferior part of
vestibular nerve
Lateral semicircular duct
Internal jugular vein
Posterior semicircular duct
Superior
petrosal sinus
Confluence
of sinuses
Straight sinus
Sigmoid sinus
Transverse sinus